Submission #373814

# Submission time Handle Problem Language Result Execution time Memory
373814 2021-03-05T20:24:22 Z gustason Cheap flights (LMIO18_pigus_skrydziai) C++11
53 / 100
320 ms 46700 KB
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int maxN = 3e5 + 5;
struct Pii {
    int a, w;
};
vector<Pii> adj[maxN];
vector<char> col(maxN);
vector<Pii> par(maxN);
ll sum[maxN], mx = 0;

void dfs(int v, int p) {
    col[v] = 1;
    for(auto u : adj[v]) {
        if (p == u.a) continue;
        if (col[u.a] == 0) {
            dfs(u.a, v);
        } else if (col[u.a] == 1) {
            if (par[par[u.a].a].a == v) {
                ll w = par[par[u.a].a].w + par[u.a].w + u.w;
                mx = max(mx, w);
            }
        }
        par[u.a] = {v, u.w};
    }
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m;
    cin >> n >> m;
    for(int i = 0; i < m; i++) {
        int a, b, w;
        cin >> a >> b >> w;
        adj[a].push_back({b, w});
        adj[b].push_back({a, w});
        sum[a] += w;
        sum[b] += w;
    }

    for(int i = 1; i <= n; i++) {
        if (col[i] == 0)
            dfs(i, -1);
    }

    for(int i = 1; i <= n; i++) {
        mx = max(mx, sum[i]);
    }

    cout << mx << "\n";
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 7 ms 9964 KB Output is correct
2 Correct 8 ms 9964 KB Output is correct
3 Correct 7 ms 9964 KB Output is correct
4 Correct 7 ms 9964 KB Output is correct
5 Correct 7 ms 9964 KB Output is correct
6 Correct 13 ms 10476 KB Output is correct
7 Correct 7 ms 9964 KB Output is correct
8 Correct 7 ms 9964 KB Output is correct
9 Correct 7 ms 9964 KB Output is correct
10 Correct 8 ms 9964 KB Output is correct
11 Correct 8 ms 10092 KB Output is correct
12 Correct 8 ms 10092 KB Output is correct
13 Correct 7 ms 9964 KB Output is correct
14 Correct 7 ms 9964 KB Output is correct
15 Correct 9 ms 9964 KB Output is correct
16 Correct 8 ms 9964 KB Output is correct
17 Correct 8 ms 9964 KB Output is correct
18 Correct 9 ms 10092 KB Output is correct
19 Correct 9 ms 10092 KB Output is correct
20 Correct 8 ms 9964 KB Output is correct
21 Correct 8 ms 9964 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 7 ms 9964 KB Output is correct
2 Correct 8 ms 9964 KB Output is correct
3 Correct 7 ms 9964 KB Output is correct
4 Correct 7 ms 9964 KB Output is correct
5 Correct 7 ms 9964 KB Output is correct
6 Correct 13 ms 10476 KB Output is correct
7 Correct 7 ms 9964 KB Output is correct
8 Correct 7 ms 9964 KB Output is correct
9 Correct 7 ms 9964 KB Output is correct
10 Correct 8 ms 9964 KB Output is correct
11 Correct 8 ms 10092 KB Output is correct
12 Correct 8 ms 10092 KB Output is correct
13 Correct 7 ms 9964 KB Output is correct
14 Correct 7 ms 9964 KB Output is correct
15 Correct 9 ms 9964 KB Output is correct
16 Correct 8 ms 9964 KB Output is correct
17 Correct 8 ms 9964 KB Output is correct
18 Correct 9 ms 10092 KB Output is correct
19 Correct 9 ms 10092 KB Output is correct
20 Correct 8 ms 9964 KB Output is correct
21 Correct 8 ms 9964 KB Output is correct
22 Correct 224 ms 21484 KB Output is correct
23 Correct 192 ms 26860 KB Output is correct
24 Correct 14 ms 10988 KB Output is correct
25 Correct 11 ms 10348 KB Output is correct
26 Correct 83 ms 10348 KB Output is correct
27 Correct 98 ms 10216 KB Output is correct
28 Correct 82 ms 14600 KB Output is correct
29 Correct 37 ms 13036 KB Output is correct
30 Correct 46 ms 13164 KB Output is correct
31 Correct 7 ms 10092 KB Output is correct
32 Correct 7 ms 10092 KB Output is correct
33 Correct 163 ms 20240 KB Output is correct
34 Correct 128 ms 19620 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 137 ms 22556 KB Output is correct
2 Correct 306 ms 25864 KB Output is correct
3 Correct 70 ms 13988 KB Output is correct
4 Correct 172 ms 21484 KB Output is correct
5 Correct 308 ms 31724 KB Output is correct
6 Correct 38 ms 13292 KB Output is correct
7 Correct 110 ms 30188 KB Output is correct
8 Correct 125 ms 21728 KB Output is correct
9 Correct 11 ms 12396 KB Output is correct
10 Correct 38 ms 12140 KB Output is correct
11 Correct 93 ms 20100 KB Output is correct
12 Correct 69 ms 16620 KB Output is correct
13 Correct 7 ms 9964 KB Output is correct
14 Correct 40 ms 12396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 137 ms 22556 KB Output is correct
2 Correct 306 ms 25864 KB Output is correct
3 Correct 70 ms 13988 KB Output is correct
4 Correct 172 ms 21484 KB Output is correct
5 Correct 308 ms 31724 KB Output is correct
6 Correct 38 ms 13292 KB Output is correct
7 Correct 110 ms 30188 KB Output is correct
8 Correct 125 ms 21728 KB Output is correct
9 Correct 11 ms 12396 KB Output is correct
10 Correct 38 ms 12140 KB Output is correct
11 Correct 93 ms 20100 KB Output is correct
12 Correct 69 ms 16620 KB Output is correct
13 Correct 7 ms 9964 KB Output is correct
14 Correct 40 ms 12396 KB Output is correct
15 Correct 7 ms 9964 KB Output is correct
16 Correct 8 ms 9964 KB Output is correct
17 Correct 7 ms 9964 KB Output is correct
18 Correct 7 ms 9964 KB Output is correct
19 Correct 7 ms 9964 KB Output is correct
20 Correct 13 ms 10476 KB Output is correct
21 Correct 7 ms 9964 KB Output is correct
22 Correct 7 ms 9964 KB Output is correct
23 Correct 7 ms 9964 KB Output is correct
24 Correct 8 ms 9964 KB Output is correct
25 Correct 8 ms 10092 KB Output is correct
26 Correct 8 ms 10092 KB Output is correct
27 Correct 7 ms 9964 KB Output is correct
28 Correct 7 ms 9964 KB Output is correct
29 Correct 9 ms 9964 KB Output is correct
30 Correct 8 ms 9964 KB Output is correct
31 Correct 8 ms 9964 KB Output is correct
32 Correct 9 ms 10092 KB Output is correct
33 Correct 9 ms 10092 KB Output is correct
34 Correct 8 ms 9964 KB Output is correct
35 Correct 8 ms 9964 KB Output is correct
36 Correct 224 ms 21484 KB Output is correct
37 Correct 192 ms 26860 KB Output is correct
38 Correct 14 ms 10988 KB Output is correct
39 Correct 11 ms 10348 KB Output is correct
40 Correct 83 ms 10348 KB Output is correct
41 Correct 98 ms 10216 KB Output is correct
42 Correct 82 ms 14600 KB Output is correct
43 Correct 37 ms 13036 KB Output is correct
44 Correct 46 ms 13164 KB Output is correct
45 Correct 7 ms 10092 KB Output is correct
46 Correct 7 ms 10092 KB Output is correct
47 Correct 163 ms 20240 KB Output is correct
48 Correct 128 ms 19620 KB Output is correct
49 Correct 118 ms 18752 KB Output is correct
50 Correct 87 ms 18156 KB Output is correct
51 Correct 115 ms 19716 KB Output is correct
52 Correct 128 ms 16016 KB Output is correct
53 Correct 63 ms 16608 KB Output is correct
54 Correct 114 ms 22892 KB Output is correct
55 Correct 320 ms 46700 KB Output is correct
56 Correct 221 ms 30316 KB Output is correct
57 Incorrect 198 ms 28508 KB Output isn't correct
58 Halted 0 ms 0 KB -